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fix a bug handling 'not x' when x is undef. 

llvm-svn: 88864
This commit is contained in:
Chris Lattner 2009-11-15 19:57:43 +00:00
parent fb7613a5d6
commit 5f037b6439
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Transforms/Scalar/JumpThreading.cpp
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@ -350,8 +350,9 @@ ComputeValueKnownInPredecessors(Value *V, BasicBlock *BB,PredValueInfo &Result){
// Invert the known values. // Invert the known values.
for (unsigned i = 0, e = Result.size(); i != e; ++i) for (unsigned i = 0, e = Result.size(); i != e; ++i)
Result[i].first = if (Result[i].first)
cast<ConstantInt>(ConstantExpr::getNot(Result[i].first)); Result[i].first =
cast<ConstantInt>(ConstantExpr::getNot(Result[i].first));
return true; return true;
} }
} }